Hi can anyone help. I have a yaesu ft736r with a hum on receiving only. With ac and dc power. I have replace the audio board and still the same. I have check the cstcc board in line and out of line. Still have the hum in speaker. May be a cap or bad earth.????. So at a lose now. Help please. Mike
The tech forum might be a better place to ask. https://forums.qrz.com/index.php?forums/general-technical-questions-and-answers.11/
